How many calories are in muskmelon?
A 200 g bowl of muskmelon is about 70 kcal, and the flesh is around 34 kcal per 100 g. The per-100-g figure is the easy part. The hard part is that nobody weighs melon: it is cut, piled into whatever bowl is nearest, and eaten — and that is where almost all the error in logging it comes from.
Per portion
| Portion | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| 100 g flesh | ~34 kcal | 0.8 g | 8 g | 0.2 g |
| 1 cup diced (~160 g) | ~55 kcal | 1.3 g | 13 g | 0.3 g |
| 1 small bowl (~150 g) | ~50 kcal | 1.2 g | 12 g | 0.3 g |
| 1 large bowl (~400 g) | ~135 kcal | 3.2 g | 32 g | 0.8 g |
| Half a medium melon (~275 g flesh) | ~95 kcal | 2.2 g | 23 g | 0.6 g |
| 1 whole medium melon (~600 g flesh) | ~205 kcal | 4.8 g | 49 g | 1.2 g |
What changes the number
Variety, barely. Cantaloupe, Indian kharbooja, honeydew and galia all land between about 32 and 38 kcal per 100 g. A riper melon tastes much sweeter because ripening converts starch already present into free sugar; the total carbohydrate, and so the energy, hardly moves.
The seeds, if you keep them. Discarded, they cost nothing. Roasted melon seeds — magaz — are a different food at around 560 kcal per 100 g, so two tablespoons add about 90 kcal, more than the melon under them.
What it is served in. This is the only real multiplier:
- A teaspoon of sugar sprinkled over a bowl: about 16 kcal
- Muskmelon sherbet or shake with milk and sugar: 200 to 300 kcal a glass
- A bowl with two scoops of vanilla ice cream: 300 to 400 kcal
- Melon with 30 g of prosciutto or ham: adds 60 to 80 kcal
Where it fits in a deficit
At roughly 90 per cent water, muskmelon sits on the lowest rung of the density ladder — a 150 g bowl is 50 kcal and still reads as dessert. Its weakness is speed: about 1 g of fibre and 0.8 g of protein per 100 g means fullness is water-based and brief, and a 400 g bowl goes down in five minutes. That is fine if you counted it.
Logging by weight, or by bowl
Two errors, pulling in opposite directions.
Rind and seed cavity. Edible flesh is roughly 55 to 65 per cent of a whole muskmelon, and published per-100-g figures are all for flesh — so logging a 1 kg melon against them books about 340 kcal when you ate closer to 200. It is the same discipline a packaged food label asks for: check what weight the number refers to before you multiply.
Bowl size. The bigger error, and it runs the other way. “A bowl of melon” covers 150 g to 450 g — 50 kcal to 150 kcal for the same three words. Twice a day through a hot month, the gap between those bowls is roughly 1,400 kcal a week — enough to cancel a moderate deficit without a single entry looking wrong.
The fix is one weighing, once. Fill your usual bowl, put it on the scale, and use that number from then on; most people find theirs is 250 to 300 g, not the 150 g a nutrition table implies. The same correction applies to watermelon and to papaya, where the flesh fraction is higher but the bowl is just as elastic.
That is not calorie counting. It is the difference between a figure that means something and one you made up — and for a calorie deficit to hold, the numbers going into it have to refer to what you ate.
Figures are typical values and vary by variety, size and preparation. General information, not medical advice.